Time in Arizona
Time in Arizona, as in all US states, is regulated by the United States Department of Transportation.[1]
Arizona is in the Mountain Time Zone and most of the state remains in Mountain Standard Time (MST) all year.
Daylight saving time
Daylight saving time in Arizona. DST regions are colored yellow.
Unlike most of the United States, Arizona does not observe daylight saving time (DST), with the exception of the Navajo Nation, which does observe DST. The Hopi Reservation, which is not part of the Navajo Nation but is geographically surrounded within it, does not observe DST.[2]
The tz database version 2017c contains two time zones for Arizona:
| CC | Coordinates | TZ | Comments | UTC offset | UTC offset DST | Notes |
|---|---|---|---|---|---|---|
| US | +332654-1120424 | America/Phoenix | Mountain Standard Time - Arizona (except Navajo) | −07:00 | −07:00 | |
| -- | America/Shiprock | −07:00 | −06:00 |
References
- ↑ "Uniform Time". US Department of Transportation. 13 February 2015. Archived from the original on 24 August 2018. Retrieved 24 August 2018.
The U.S. Department of Transportation (DOT) oversees the Nation's time zones and the uniform observance of Daylight Saving Time. The oversight of time zones was assigned to DOT because time standards are important for many modes of transportation.
- ↑ "Most of Arizona Exempt from Daylight Saving Time", timeanddate.com. Retrieved October 18, 2012.
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